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Festo
189791
Semi-rotary actuator DRD-77-F10-O
The Festo 189791 is a double-acting rack and pinion industrial component featuring a size 77 actuator with a 90-degree swivel angle and an ISO 5211 conforming flange hole pattern. Operating between 2 and 10 bar using dried compressed air, this unit delivers a torque of 770 Nm at 6 bar and incorporates VDI/VDE 3845 NAMUR valve connections without cushioning or position detection. Rated for ATEX environments from -20°C to +60°C with a CRC 3 corrosion resistance classification, it functions across ambient temperatures of -20 to 80 °C in any assembly position. Submit the part number, quantity, and application requirements for an official quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 189791
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 189791.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size of actuator
- 77
- Flange hole pattern
- F10
- Swivel angle
- 90 deg
- End-position adjustment range at 0°
- -4 ... 8 deg
- End-position adjustment range at 90°
- -8 ... 4 deg
- Fitting connection conforms to standard
- ISO 5211
- Cushioning
- No cushioning
- Assembly position
- Any
- Mode of operation
- double-acting
- Design structure
- Rack and pinion
- Position detection
- No
- Valve connection conforms to standard
- VDI/VDE 3845 (NAMUR)
- Operating pressure
- 2 ... 10 bar
- ATEX identification
- II 2 GD c X
- ATEX ambient temperature
- -20°C <= Ta <= +60°C
- Operating medium
- Dried compressed air, lubricated or unlubricated
- CE symbol (see declaration of conformity)
- according to EU-Ex protection guideline (ATEX)
- Corrosion resistance classification CRC
- 3
- Ambient temperature
- -20 ... 80 °C
- Torque at 6 bar
- 770 Nm
- Air consumption at 6 bar per cycle 0°-90°-0°
- 36 l
- Product weight
- 19,000 g
- Shaft connection
- V22
- Pneumatic connection
- Subbase | G1/4
- Materials note
- Contains PWIS substances
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 189791. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.